ABB Advance Optima Uras 14 - Temperature Probe

SHB_U14 Chapter 5: Testing 5-11
Temperature probe
Accessories
Multimeter
Electrical value:
NTC sensor resistance
Where?
Disconnect the 4-pin plug from Sensor-CPU board X8.
Test points: Between yellow and green
Desired value:
approx. 10 k
Ω at 25°C
approx. 3 k
Ω at 55°C
Figure 5-8
Thermostat
Figure 5-9
Circuit board
Thermostat
pin layout